Question

In: Electrical Engineering

The voltage and current at the terminals of a network are v=30+56cos2000t+20sin8000tV, i=3+5cos(2000t−25∘)+sin(8000t+45∘)A. The current is...

The voltage and current at the terminals of a network are
v=30+56cos2000t+20sin8000tV,
i=3+5cos(2000t−25∘)+sin(8000t+45∘)A.
The current is in the direction of the voltage drop across the terminals.

Part A

What is the average power at the terminals?

Express your answer to three significant figures and include the appropriate units.

Part B

What is the rms value of the voltage?

Express your answer to three significant figures and include the appropriate units.

Part C

What is the rms value of the current?

Express your answer to three significant figures and include the appropriate units.

Solutions

Expert Solution

The above explained procedure to find RMS voltage, current and average power is a generic one. It can be applied to any number of frequency components.

Manojponduru answered 1 year ago
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